612222852 has 12 divisors (see below), whose sum is σ = 1428520016. Its totient is φ = 204074280.

The previous prime is 612222839. The next prime is 612222889. The reversal of 612222852 is 258222216.

612222852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×612222852² = 749633641022027808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25509274 + ... + 25509297.

Almost surely, 2^612222852 is an apocalyptic number.

It is an amenable number.

612222852 is an abundant number, since it is smaller than the sum of its proper divisors (816297164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612222852 is a wasteful number, since it uses less digits than its factorization.

612222852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51018578 (or 51018576 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 612222852 is about 24743.1374728428. The cubic root of 612222852 is about 849.1215154572.

The spelling of 612222852 in words is "six hundred twelve million, two hundred twenty-two thousand, eight hundred fifty-two".